Review for DCFA 2

Which of the following observations can be made from the experiment above?

• The rock is heaviest.

• The nail is magnetic.

• The quarter is hardest.

• the ball is able to float.

The balance shown is measuring the mass of some clay. Which of the following is the mass? (look at the numbers).

• 6 grams

• 8 grams

• 9 grams

• 10 grams

Tags

NGSS.5-PS1-3

Which of the following would NOT be attracted to a magnet?

• Metal safety pin

• metal paper clip

• rubber band

• nail

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

What is the best description of the properties of the matter INSIDE the bathtub. The matter is a..

• Solid, because it would keep its shape.

• Gas, because it fills all the space in its container

• Liquid, because it keeps its shape.

• Liquid, because it flows and takes the shape of its container.

Tags

NGSS.MS-PS1-4

A student blew air into a beach ball and sealed it. She then pushed on the middle of the beach ball. What happened to the air inside the beach ball?

• The air in the beach ball escaped.

• The air in the beach ball became a liquid.

• The shape of the air in the beach ball changed.

Tags

NGSS.MS-PS2-2

The process shown in the diagram is caused by..

• producing heat

• adding heat

• taking away heat

• increasing heat.

Tags

NGSS.MS-ESS2-4

NGSS.MS-PS1-4

What happens when water freezes into ice?

• gas changes to a liquid.

• liquid changes to gas

• solid changes to a liquid.

• liquid changes to a solid.

Tags

NGSS.MS-PS1-4

A student observed liquid wax dripping down the side of a burning candle. After putting out the candle's flame, the student left the room. Several hours later the student observed that there was no longer any liquid on the side of the candle. Which statement explains what most likely happened to the liquid wax?

• The heat given off by the flame caused the candle wax to evaporate.

• The liquid wax changed back into a solid as it cooled.

• The liquid wax condensed and was absorbed by the candle..

Tags

NGSS.MS-PS1-4

Which is not a mixture?

• bowl of marshmallows and raisins

• bowl of taco salad

• apple

• trail mix

Tags

NGSS.5-PS1-3

NGSS.5-PS1-4

A group of students were asked to create a mixture. How could the group create a mixture?

• break an item into small pieces

• choose two or more items and mix them together.

• Put one item in a pot and heat it on the stove.

• Place several objects into different piles close together.